Shopping bag



FIG. 1 is a front view of a shopping bag showing our new design; and

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a front perspective thereof.

The broken lines representing stitching are part of the claimed design. 

The ornamental design for a shopping bag, as shown. 